Renaming to CouchRest Model

Refactored basic directory structure.
Moved to ActiveSupport for Validations and Callbacks.
Cleaned up older code, and removed support for text property types.

lib/couchrest/model/validations/casted_model.rb

@@ -0,0 +1,14 @@
+module CouchRest
+  module Model
+    module Validations
+      class CastedModelValidator < ActiveModel::EachValidator
+        
+        def validate_each(document, attribute, value)
+          values = value.is_a?(Array) ? value : [value]
+          return if values.collect {|doc| doc.nil? || doc.valid? }.all?
+          document.errors.add(attribute, :invalid, :default => options[:message], :value => value)
+        end
+      end
+    end
+  end
+end